VALVE FOR CASING STRING,申请号SU19833573986-传众专利搜索

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发明名称	VALVE FOR CASING STRING
摘要
申请公布号	SU1164401(A1)	申请公布日期	1985.06.30
申请号	SU19833573986	申请日期	1983.04.04
申请人	IVANO-FRANKOVSKIJ I NEFTI GAZA MINISTERSTVA VYSSHEGO SREDNEGO SP OBRAZOVANIYA USSR	发明人	ABDULZADE ALIBAJRAM M,SU;KURNIKOV YURIJ A,SU;KONTSUR IVAN F,SU;MASNIK OREST T,SU;ABDULZADE RAUF A,SU;DZHANMAMEDOV SHAKHMURAD KH,SU
分类号	E21B33/14;E21B34/00;(IPC1-7):E21B33/14	主分类号	E21B33/14
代理机构		代理人
主权项
地址

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